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Recommended: JavaScript SDK with React Hooks

For new React apps, we recommend the JavaScript SDK with React Hooks (@dynamic-labs-sdk/react-hooks) instead of the legacy React SDK documented here. The JS SDK comes with many benefits such as a much smaller bundle size and other optimizations. Use the React quickstart (JavaScript SDK) to get started.

Summary

This callback will be called when a wallet connection fails.

Usage

If you’re calling it in the DynamicContextProvider:
If you need to call it anywhere else in the code:

Callback Argument Value

This is called with the wallet connector that failed to connect and the error that occurred.
Last modified on June 25, 2026